Wang, Gangwei, Qi Wang, and Yingwei Chen. “Group Analysis and Conservation Laws of an Integrable Kadomtsev–Petviashvili Equation”. Nonlinear Analysis: Modelling and Control 24, no. 1 (December 14, 2018): 34–46. Accessed July 18, 2024. https://www.journals.vu.lt/nonlinear-analysis/article/view/12917.